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49474442 = 2191301959
BaseRepresentation
bin1011110010111…
…0101110001010
310110002120011202
42330232232022
5100131140232
64524224202
71140345233
oct274565612
9113076152
1049474442
1125a21976
121469b062
13a333124
1467dc08a
154524162
hex2f2eb8a

49474442 has 8 divisors (see below), whose sum is σ = 78117600. Its totient is φ = 23435244.

The previous prime is 49474441. The next prime is 49474457. The reversal of 49474442 is 24447494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×494744423 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1301959 = 49474442 / (4 + 9 + 4 + 7 + 4 + 4 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 49474396 and 49474405.

It is not an unprimeable number, because it can be changed into a prime (49474441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650942 + ... + 651017.

It is an arithmetic number, because the mean of its divisors is an integer number (9764700).

Almost surely, 249474442 is an apocalyptic number.

49474442 is a deficient number, since it is larger than the sum of its proper divisors (28643158).

49474442 is a wasteful number, since it uses less digits than its factorization.

49474442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301980.

The product of its digits is 129024, while the sum is 38.

The square root of 49474442 is about 7033.8070772520. The cubic root of 49474442 is about 367.1078192469.

The spelling of 49474442 in words is "forty-nine million, four hundred seventy-four thousand, four hundred forty-two".

Divisors: 1 2 19 38 1301959 2603918 24737221 49474442